Packets which are not replies to an already existing incoming connection
would be treated by a default NAT rule to look like they came from the
IP address of the firewall and would be routed over the default route.
On Wed, 2002-01-16 at 15:37, Nick Murtagh wrote:
> On Wednesday 16 January 2002 15:28, Mark Kilmartin wrote:
> > I believe what is needed is something like below.
> > NOTE this is totally untested.
> > On the firewall issue something like the following.
> > echo 200 Xinterface >> /etc/iproute2/rt_tables
> > ip rule add from 'X' table Xinterface
> > ip route add default via <The next router on interface X> dev <the
> > physical interface> table Xinterface
> > ip route flush cache
>> Are you referring to packets going out to the internet? In that case,
> how would a packet going out from your LAN have a source address (`from'
> address) of X?
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